Improvement in compensating-powder



A. E. MILTIMORE &, C. A. L. TOTTEN- COMPENSATING POWDER.

Patented Jan. 16 1877..

flwanam. WW6, WW

@m mh xw UNITED [STATES PATENT 'QFEIGE.

ALONZO E. MILTIMORE, or JANESVILLE, WISCONSIN, AND CHARLES A. L. TOTTEN, O NEW LoNDomooNNEoTwUT.

IMPROVEMENT IN C OMPENSATlNG-POWDER.

Specification forming part of Letters Patent No. 186,21 1, dated January 16, 1877 application filed January 13,1875.

To all whom it may concern Be itknown that we, ALONZO E. MILTI- MORE, of J anesville, county of Rock, State ofv or masses homogeneous in themselves, and

constructed .of concentric coatings or layers of different explosive substances; said substances relatively interlaid, pansion and the projecting force of the several gases will increase in intensity as combustion approaches the center of each of said grains orv masses.

In this way the same grain may be a combination of gun-cotton, gunpowder, dynamite, dualine, nitro-glycerine compounds, and other explosives, any or all being used in the same grain.

For instance, by forming around spheres, or solids in any shape, gun-cotton, other concentric coats, or similar coats or layers of gunpowder, we would have one form" of compel satiug-powder, the grains in this case being built up of but two substances.

The action of such grains in a charge will,

be as follows: For instance, in a gun, the gunpowder is first ignited and converted into gas. The projectile, due to the expansion of this gas moves, forward, but as it moves the space behind is increased, and the tension of the gas thereby diminished. The gun-cotton,

New London county, State of so that the ex Reference may be had tothe accompany ing drawings. Figure 1 shows the cross-section of a built-up grain. The form of the grain is that of a cube whose angles are truncated, the interior position thereof being a sphere. The outer portion P is composed of gunpowder, while the inner portion 0 is of gun-cotton. Fig. 2 shows a similar grain, the

outer part, B, being compressed or cake powder, the inner one of more rapidly burning rifle or musket powder, R.

The forms of these grains and of their component parts are immaterial, and will be altered to suit occasion. The grains may be of any explosive substances, built up in any order or method. The grains may be constructed of size suitable for loading metallic cartridges.

Having thus described our invention, we claim as new and desire to secure by Letters Patent- A com pensating 'powder, as herein described, the grains of which are made up of layers of explosive substances, said substances being respectively of varying force and expansive intensity, substantially as and for the purpose described.

W. B. HOMER, E. M. 00131:. 

